diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 71a2cdf..0f288e3 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -22,11 +22,8 @@
   <component name="ChangeListManager">
     <list default="true" id="cea36e80-e289-4d69-9030-7186d540ac0e" name="更改" comment="MDC RX">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/mdc1200.c" beforeDir="false" afterPath="$PROJECT_DIR$/app/mdc1200.c" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/app/mdc1200.h" beforeDir="false" afterPath="$PROJECT_DIR$/app/mdc1200.h" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/functions.c" beforeDir="false" afterPath="$PROJECT_DIR$/functions.c" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/radio.c" beforeDir="false" afterPath="$PROJECT_DIR$/radio.c" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/版本说明.txt" beforeDir="false" afterPath="$PROJECT_DIR$/版本说明.txt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/menu.c" beforeDir="false" afterPath="$PROJECT_DIR$/app/menu.c" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/ui/menu.c" beforeDir="false" afterPath="$PROJECT_DIR$/ui/menu.c" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -133,7 +130,7 @@
       <workItem from="1701413653518" duration="3544000" />
       <workItem from="1701430185864" duration="10115000" />
       <workItem from="1701559895523" duration="22519000" />
-      <workItem from="1701678199532" duration="8883000" />
+      <workItem from="1701678199532" duration="10438000" />
     </task>
     <task id="LOCAL-00001" summary="bug fix">
       <created>1701136012311</created>
@@ -380,7 +377,14 @@
       <option name="project" value="LOCAL" />
       <updated>1701686694191</updated>
     </task>
-    <option name="localTasksCounter" value="36" />
+    <task id="LOCAL-00036" summary="MDC RX">
+      <created>1701687970236</created>
+      <option name="number" value="00036" />
+      <option name="presentableId" value="LOCAL-00036" />
+      <option name="project" value="LOCAL" />
+      <updated>1701687970236</updated>
+    </task>
+    <option name="localTasksCounter" value="37" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
diff --git a/app/menu.c b/app/menu.c
index 87007ef..787d587 100644
--- a/app/menu.c
+++ b/app/menu.c
@@ -1437,8 +1437,45 @@ static void MENU_Key_MENU(const bool bKeyPressed, const bool bKeyHeld)
 
 		return;
 	}
+#ifdef ENABLE_MDC1200
+    if (UI_MENU_GetCurrentMenuId() == MENU_MDC_ID)
+    {
+        	if (edit_index < 0)
+		{
+                edit_index = 0;
+			while (edit_index < 4)
+				edit[edit_index++] = '_';
+			edit_index = 0;  // 'edit_index' is going to be used as the cursor position
+			// make a copy so we can test for change when exiting the menu item
+			memmove(edit_original, edit, sizeof(edit_original));
+			return;
+		}
+		else
+		if (edit_index >= 0 && edit_index < 4)
+		{	// editing the channel name characters
 
-	if (UI_MENU_GetCurrentMenuId() == MENU_MEM_NAME)
+			if (++edit_index < 4)
+				return;	// next char
+
+			// exit
+			if (memcmp(edit_original, edit, sizeof(edit_original)) == 0)
+			{	// no change - drop it
+				gFlagAcceptSetting  = false;
+				gIsInSubMenu        = false;
+				gAskForConfirmation = 0;
+			}
+			else
+			{
+				gFlagAcceptSetting  = false;
+				gAskForConfirmation = 0;
+			}
+		}
+    }
+
+
+else
+#endif
+    if (UI_MENU_GetCurrentMenuId() == MENU_MEM_NAME)
 	{
 		if (edit_index < 0)
 		{	// enter channel name edit mode
diff --git a/ui/menu.c b/ui/menu.c
index 4edf861..2df1d25 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -676,7 +676,27 @@ void UI_DisplayMenu(void) {
             already_printed = true;
             break;
         }
+#ifdef ENABLE_MDC1200
+//            case MENU_MDC_ID:
+//            ///    char mdc_id_str[4];
+//    sprintf(String, "%04X", gEeprom.MDC1200_ID); // %04X确保输出是4个字符长度的十六进制数
+//          //  strcpy(String, id);
+//            break;
 
+        case MENU_MDC_ID:
+        {
+            if (!gIsInSubMenu||edit_index<0) {    // show the channel name
+                    sprintf(String, "%04X", gEeprom.MDC1200_ID); // %04X确保输出是4个字符长度的十六进制数
+                UI_PrintStringSmall(String, menu_item_x1, menu_item_x2, 3);//4
+            } else {    // show the channel name being edited
+                UI_PrintStringSmall(edit, menu_item_x1, 0, 3);
+                if (edit_index < 4)
+                    UI_PrintStringSmall("^", menu_item_x1 + (8 * edit_index), 0, 4);  // show the cursor
+            }
+            already_printed = true;
+            break;
+        }
+#endif
         case MENU_MEM_NAME: {
             const bool valid = RADIO_CheckValidChannel(gSubMenuSelection, false, 1);
 
@@ -804,13 +824,7 @@ void UI_DisplayMenu(void) {
             strcpy(String, gEeprom.ANI_DTMF_ID);
             break;
 #endif
-#ifdef ENABLE_MDC1200
-            case MENU_MDC_ID:
-            ///    char mdc_id_str[4];
-    sprintf(String, "%04X", gEeprom.MDC1200_ID); // %04X确保输出是4个字符长度的十六进制数
-          //  strcpy(String, id);
-            break;
-#endif
+
         case MENU_UPCODE:
             strcpy(String, gEeprom.DTMF_UP_CODE);
             break;